vip列表接口优化

app/Http/Controllers/Admin/VipListController.php

@@ -50,7 +50,9 @@ class VipListController extends BaseController
 
             if ($request->has('license')) {
                 $license = $request->input('license');
-                $query->where('license', 'like', "%{$license}%");
+                if (!empty($license)) {
+                    $query->where('license', 'like', "%{$license}%");
+                }
             }
             // 分页
             $page = $request->input('page', 1);